The name of the tourmaline is called tourmaline, which is also translated as Tourmaline. It has a piezoelectric effect possessed by quartz. The origin includes Brazil, Sri Lanka, Madagascar and so on. At present, in the international jewelry market, colored tourmaline such as Paraiba Tourmaline has attracted the attention of collectors. The hardness is between 7-7.5, the refractive index is between 1.62-1.64, and the refractive index difference is about 0.020. Because the interior of Paraiba contains copper, it will show a natural and vivid blue-green color. Even in natural or non-light-emitting environments, it will emit a neon color. This is the most important of Paraiba and Tourmaline. One of the appealing features.
If you use a "family" to describe a gem, then only the tourmaline can be used. As the most colorful gemstone in the world, the tourmaline crystal has up to 15 colors, and the colors are colorless, rose red, pink, red, blue, green, yellow, brown and black. Among them, the transparent blue, fresh rose red and pink plus green color are the top grades. Due to its bright colors, varied and high transparency, tourmaline has been loved by people since ancient times. Tourmaline is one of the colored stones that are second only to diamonds, red treasures, sapphire and emeralds. Because the color of the tourmaline is very bright, it can easily make people feel happy and admire freedom, and can open up people's minds and visions.
International jewellery industry
The composition of the tourmaline is complex and the color is complex and varied. Nowadays, the international jewellery industry basically divides commercial varieties into tourmalines by color.
1 red tourmaline
Red is the highest value among the tourmalines, among which the best is purple and rose red, and it is called red tourmaline. In China, there is the name of “baby faceâ€. However, the natural world produces more brown, maroon, and deep red, and the color tone changes greatly.
2 green tourmaline
Includes light green to dark green, yellow green or brownish green. Some colors may be dark or deep, and only visible through light. Dark green is almost opaque in the direction of the optical axis due to its strong dichroism, but can be improved by heat treatment. The best is emerald green, which was mistaken for emeralds in Europe and Brazil, showing its level of luxury. Currently only produced in Brazil and Madagascar.
3 blue tourmaline
Pure blue is rare, common deep purple blue or green blue. Color saturation is more precious, sometimes called "blue tourmaline." Occasionally light blue to light green blue.
4 yellow and orange tourmaline
Pure yellow or orange is hard to see. Different shades of yellow or brown are popular, like sherry topaz and golden beryl. Green brown to brown green, orange brown to brown orange and green yellow also have certain sales. The color is very deep, and the poor gloss is almost no sales. Mineralogists sometimes call brown tourmalines magnesium tourmaline.
5 colorless or white tourmaline
Sometimes called white tourmaline (achroite, Greek "white" meaning). It's almost useless on gems unless it has a cat's eye effect.
6 black tourmaline
Mineralogists call it black tourmaline. Black is a very strong color, always at the forefront of fashion, and foreign countries prefer unrecognized black tourmaline.
7 multicolor tourmaline
There are two or more colors on a crystal, or different from top to bottom, or different from inside to outside. Also known as "watermelon tourmaline." Multicolor tourmalines are sometimes used as gemstones, but are more suitable for viewing or collecting crystal specimens without cutting.
8 cat's eye tourmaline or tourmaline opal
Some green tourmalines have a lot of slits or needle-like inclusions, cut into a curved surface, and the cat's eye effect can be seen. Other colors have less cat's eye effect.
9 tourmaline
Rare, occasionally reported. Yellow-green to brownish green in the sun, orange-red under the light.
The history of tourmaline used to make gems is short, but because of its beauty of rich colors and high transparency, it has won people's love when it came out, and it is called a gem of all kinds. In the palaces of the Qing Dynasty in China, there were more tourmalines. Now, the tourmaline is a favorite mid-range gemstone variety, known as the October birthstone.
The efficacy and role of tourmaline
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Because of the spiritual effect of the specific multi-color crystals, the tourmaline has the characteristics of reconciling the five elements, which is quite popular, that is, the lack of complements and reconciles the five elements.
〖Physical role〗
Lucky Fortune Fuwangfu Wangcai, the most energetic of the five elements of the spar, is the most precious gems in the crystal family, such as gathering wealth, gathering happiness, and evil spirits. Women wear more power of Wangfuwangcai, so some people call it a tourmaline. Fu Jing." It is said that her energy can be transformed with temperature, can clear the blood, is very suitable for people with qi and blood, weak body, cold hands and feet. Black and tan tourmaline have the best effect on the lower extremities, which can treat rheumatism and arthritis; green tourmaline can help heart and lung function and help the career wealth. Red tourmaline can help the abdomen health, is good for blood circulation, and also helps to enhance female charm and love
〖Health effects〗
One: Apply to the human body, can smooth the body's meridians, make the microvessels expand, and promote the circulation of blood circulation. Because the color of the tourmaline is bright and colorful, it is often worn by women. Therefore, pregnant women wear the natural tourmaline of the finest color during the pregnancy in October, and the garnet promotes metabolism, which not only can effectively regulate their physical discomfort, but also help the baby's health. The degree is constantly improving with the mother's good physical condition, which can be said to be the "lazy little housekeeper" of pregnant mothers.
Second: it can decompose harmful substances in blood vessels, clear vascular disorders, and effectively clear blood vessels. In special occupations, people who are forced to invade human blood by their bodies often hang large blocks of tourmaline on their own hearts to weaken or resolve the physical injuries they are forced to suffer.
Three: can regenerate the surrounding tissue of the blood vessels, activate tissue cells, and delay the aging of blood vessels.
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